/Engine/Plugins/Runtime/MeshModelingToolset/Source/ModelingComponents/Public/ToolSceneQueriesUtil.h
(approximate) 3D dimension that corresponds to a radius of target visual angle around Point, for current camera position
namespace ToolSceneQueriesUtil { double ToolSceneQueriesUtil::CalculateDimensionFromVisualAngleD ( const [UInteractiveTool](API\Runtime\InteractiveToolsFramework\UInteractiveTool) * Tool, const FVector3d & Point, double TargetVisualAngleDeg ) }